Home / 98,588.16-136,051.36-53,876.16

Finding the Fourth Proportional to 98,588.16, 136,051.36 and 53,876.16

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Solution

The fourth proportional to 98,588.16, 136,051.36 and 53,876.16 is: 74,348.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,588.16 : 136,051.36 = 53,876.16 : x
  2. Step 2: Convert to fraction form
    98,588.16/136,051.36 = 53,876.16/x
  3. Step 3: Cross multiply
    98,588.16x = 136,051.36 × 53,876.16
  4. Step 4: Simplify right side
    98,588.16x = 7,329,924,839.58
  5. Step 5: Solve for x
    x = 7,329,924,839.58/98,588.16
  6. Step 6: Final answer
    x = 74,348.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.